assembly/src.xml

<assembly>
  <id>src</id>
  <formats>
    <format>tar.gz</format>
  </formats>
  <fileSets>
    <fileSet>
      <includes>
        <include>*.txt</include>
        <include>*.xml</include>
        <include>*.properties</include>
        <include>.classpath</include>
        <include>.project</include>
      </includes>
    </fileSet>
    <fileSet>
      <directory>.settings</directory>
    </fileSet>
    <fileSet>
      <directory>src</directory>
    </fileSet>
  </fileSets>
</assembly>